Bacillariese, Plagiograramaceae, Oraphalopsis. 717 



parallelis, 5 in 10 u.., liuea longitudinali paruni evidonti transverse 

 divisis. 



Hab. in fundo maris in freto «Macassar». 



8. Glyphodesmis marginata Grove et Sturt Diatom. Otago I, p. 3, 2895 

 t. XVIII, f. 3, Notarisia 1887, p. 347. — Valvis laiiceolatis, 65 ^ 

 14-15, apice rotundatis, centro distincto, projectioiiibus terminali- 



bus evidentibus; spatio mediauo longitudinaii (pseudorhaplie) pel- 

 lucido, margine 2 seriebus cellularura (areolarum) minutarum li- 

 mitato. 



Hab. fossilis ad « Oamaru » in Xova Zelandia (Grove, Sturt). 2896 



9. Glypiiodesmis? fuslformis Cleve et Grove in Diatomiste 1891, p. 57, 

 t. 8, f. 18. — Valvis fere linearibus, 55 c; 7,5, medio pauUo infla- 

 tis, apicibus acutis, area centrali transversa rectangulari, striis 

 transversis obscuris percursa centroque annulo circulari (pseudo- 

 nodulo?) douata, pseudorhaphe iudistincta, areolis apicalibus trian- 

 gularibus; cetera valva? superficie granulis margaritaceis 13 iu 10 

 p.. in lineas longitudinales et transversas asquidistautes dispositis 

 ornata ; frustulis lineari-rectangulis, iu fascias conjunctis. 



Hab. in freto uTorres)). 



OMPHALOPSIS Grev. [1863] Diat. fr. South Pacific I, p. 536 (Etyra. 

 omphalos umbilicus et opnis aspectus), De-Toni Osserv. tasson. 

 Bacill. 18''0, p. 906. — Frustuia e facie connectivali visa rectan- 

 gularia, in filamentura conjuncta; valva? cruciformes; stri.ne trans- 

 versae granulata?, medio pseudorhaphe angustissima interruptae (non 

 clathratcB); pseudonodulus centralis distinctissimus, locelli termina- 

 ies evidentes, leves. 



1. Omphalopsis australls Grev. Diat. fr. South Pacific I, p. 537, t. l, 2897 

 f. 10-11. — Frustulis inagnitudine variabilibus, plerumque 55 a. 

 longis, rectangularibus, angulis leuiter rotundatis, fascia margina- 

 li brevi striarum ornatis, valvis cruciformibus medio circiter 30 

 [J: latis, pseudonodulo raagno, prominulo, circulari, striis 4 in 10 

 y., validis, submoniliformibus, obliquis, centro radiantibus. 

 Hah. ad iusulas uWoodlark» (Roberts). 



PLAGIOGRAMMA Grev. [1859] in Micr. Journ. 1859, p. 208 (Etym.p/a- 

 gios latus et gramma linea, littera), Rabenh. FI. Eur. Alg. I, p. 117, 

 V. H. Syn. p. 145, De-Toni Oss. tasson. Bacill. p. 906, Heteromphala 

 Ehr. [1861] in Ber. Berl. Akad. 1861, p. 295 et [1872] in Abh. 

 l^erl. Akad. 1872, t, II, f. 23, nec Ehr. [1858] in Ber. Berl. Akad. 



